Natural fabrics like silk and wool are better insulators than synthetics.丝绸和羊毛之类的纯天然织物比合成纤维的保暖性更好。To reduce heat losses the pipes are covered by thermal insulators.为了减少热散失,管子外包保温层.Crystals may be insulators, semiconducto...
Crystals may be insulators, semiconductors, or conductors.晶体可以是绝缘体, 半导体, 或导体.Natural fabrics like silk and wool are better insulators than synthetics.丝绸和羊毛之类的纯天然织物比合成纤维的保暖性更好。Polluted insulators may flashover at any time...
The Caretakers'telephone number is 2745.服务员的电话是6672745.Please tell the caretakers or the Foreign Experts Section if you need any help.有困难请告诉服务员或者外国专家科.The president asked the present cabinet to remain caretakers unt...
The congregation assists at divine service.会众参加圣礼.The congregation bowed their heads in prayer.会众在一起低头祷告。The preacher addressed a congregation of more than one thousand people.传教士向一千多人的会众讲演.She preached to the congregati...
Have you ever heard Maria Callas sing?你听过玛丽亚卡莱斯唱歌 吗 ?Callas's vocal range was astonishing.卡拉斯的音域宽得惊人.Did you ever hear Maria Callas sing?你听过玛丽亚·卡莱斯唱歌 吗 ?...
当然啦，市区正中心的租金是很高的。Of course, slap-bang in the middle of town the rents are high.他可以把自己欠的钱抵作对方的租金。He could take what was owing for the rent.儿童汽车坐椅一周的租金才10英镑。Child car seats only cost about £10 a week to hire....
She forestalled their attempt.她先发制人,阻止了他们的企图.O'Leary made to open the door, but Bunbury forestalled him by laying a hand on his arm.奥利里想去开门，但是邦伯里抢先一把摁住了他的胳膊。I had my objection all prepared, but Stephens forestalled ...